For years, ultra-Orthodox Jewish families priced out of increasingly expensive Brooklyn neighborhoods have been turning to the suburbs, where they have taken advantage of open space and cheaper housing to establish modern-day versions of the European shtetls where their ancestors lived for centuries before the Holocaust.
![Anti-Semitism grows in Jewish communities in NYC suburbs](https://media.zenfs.com/en/ap.org/869821a242fb5afe289520416bb9ab43)
The expansion of Hasidic communities in New York's Hudson Valley, the Catskills and northern New Jersey has led to predictable sparring over new housing development and local political control.
Now, a pair of violent attacks on such communities, just weeks apart, worry many that intolerance is boiling over.